SMTL ID : 3fb5.1 (1 other biounit)

KcsA potassium channel in the partially open state with 14.5 A opening at T112

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

hetero-4-4-4-mer

Ligands

24 x K: POTASSIUM ION(Non-functional Binders)(Non-covalent)

K.1: 3 residues within 4Å: Ligands: K.7, K.13, K.19 Ligand excluded by PLIP K.2: 3 residues within 4Å: Ligands: K.8, K.14, K.20 Ligand excluded by PLIP K.3: 15 residues within 4Å: Chain C: G.57, Y.58 Chain F: G.57, Y.58 Chain I: G.57, Y.58 Chain L: G.57, Y.58 Ligands: K.4, K.9, K.10, K.15, K.16, K.21, K.22 Ligand excluded by PLIP K.4: 19 residues within 4Å: Chain C: V.56, G.57 Chain F: V.56, G.57 Chain I: V.56, G.57 Chain L: V.56, G.57 Ligands: K.3, K.5, K.9, K.10, K.11, K.15, K.16, K.17, K.21, K.22, K.23 Ligand excluded by PLIP K.5: 19 residues within 4Å: Chain C: T.55, V.56 Chain F: T.55, V.56 Chain I: T.55, V.56 Chain L: T.55, V.56 Ligands: K.4, K.6, K.10, K.11, K.12, K.16, K.17, K.18, K.22, K.23, K.24 Ligand excluded by PLIP K.6: 11 residues within 4Å: Chain C: T.55 Chain F: T.55 Chain I: T.55 Chain L: T.55 Ligands: K.5, K.11, K.12, K.17, K.18, K.23, K.24 Ligand excluded by PLIP K.7: 3 residues within 4Å: Ligands: K.1, K.13, K.19 Ligand excluded by PLIP K.8: 3 residues within 4Å: Ligands: K.2, K.14, K.20 Ligand excluded by PLIP K.9: 15 residues within 4Å: Chain C: G.57, Y.58 Chain F: G.57, Y.58 Chain I: G.57, Y.58 Chain L: G.57, Y.58 Ligands: K.3, K.4, K.10, K.15, K.16, K.21, K.22 Ligand excluded by PLIP K.10: 19 residues within 4Å: Chain C: V.56, G.57 Chain F: V.56, G.57 Chain I: V.56, G.57 Chain L: V.56, G.57 Ligands: K.3, K.4, K.5, K.9, K.11, K.15, K.16, K.17, K.21, K.22, K.23 Ligand excluded by PLIP K.11: 19 residues within 4Å: Chain C: T.55, V.56 Chain F: T.55, V.56 Chain I: T.55, V.56 Chain L: T.55, V.56 Ligands: K.4, K.5, K.6, K.10, K.12, K.16, K.17, K.18, K.22, K.23, K.24 Ligand excluded by PLIP K.12: 11 residues within 4Å: Chain C: T.55 Chain F: T.55 Chain I: T.55 Chain L: T.55 Ligands: K.5, K.6, K.11, K.17, K.18, K.23, K.24 Ligand excluded by PLIP K.13: 3 residues within 4Å: Ligands: K.1, K.7, K.19 Ligand excluded by PLIP K.14: 3 residues within 4Å: Ligands: K.2, K.8, K.20 Ligand excluded by PLIP K.15: 15 residues within 4Å: Chain C: G.57, Y.58 Chain F: G.57, Y.58 Chain I: G.57, Y.58 Chain L: G.57, Y.58 Ligands: K.3, K.4, K.9, K.10, K.16, K.21, K.22 Ligand excluded by PLIP K.16: 19 residues within 4Å: Chain C: V.56, G.57 Chain F: V.56, G.57 Chain I: V.56, G.57 Chain L: V.56, G.57 Ligands: K.3, K.4, K.5, K.9, K.10, K.11, K.15, K.17, K.21, K.22, K.23 Ligand excluded by PLIP K.17: 19 residues within 4Å: Chain C: T.55, V.56 Chain F: T.55, V.56 Chain I: T.55, V.56 Chain L: T.55, V.56 Ligands: K.4, K.5, K.6, K.10, K.11, K.12, K.16, K.18, K.22, K.23, K.24 Ligand excluded by PLIP K.18: 11 residues within 4Å: Chain C: T.55 Chain F: T.55 Chain I: T.55 Chain L: T.55 Ligands: K.5, K.6, K.11, K.12, K.17, K.23, K.24 Ligand excluded by PLIP K.19: 3 residues within 4Å: Ligands: K.1, K.7, K.13 Ligand excluded by PLIP K.20: 3 residues within 4Å: Ligands: K.2, K.8, K.14 Ligand excluded by PLIP K.21: 15 residues within 4Å: Chain C: G.57, Y.58 Chain F: G.57, Y.58 Chain I: G.57, Y.58 Chain L: G.57, Y.58 Ligands: K.3, K.4, K.9, K.10, K.15, K.16, K.22 Ligand excluded by PLIP K.22: 19 residues within 4Å: Chain C: V.56, G.57 Chain F: V.56, G.57 Chain I: V.56, G.57 Chain L: V.56, G.57 Ligands: K.3, K.4, K.5, K.9, K.10, K.11, K.15, K.16, K.17, K.21, K.23 Ligand excluded by PLIP K.23: 19 residues within 4Å: Chain C: T.55, V.56 Chain F: T.55, V.56 Chain I: T.55, V.56 Chain L: T.55, V.56 Ligands: K.4, K.5, K.6, K.10, K.11, K.12, K.16, K.17, K.18, K.22, K.24 Ligand excluded by PLIP K.24: 11 residues within 4Å: Chain C: T.55 Chain F: T.55 Chain I: T.55 Chain L: T.55 Ligands: K.5, K.6, K.11, K.12, K.17, K.18, K.23 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cuello, L.G. et al., KcsA potassium channel in the partially open state with 14.5 A opening at T112. TO BE PUBLISHED

Release Date

2010-05-19

Peptides

antibody Fab fragment heavy chain: ADGJ
antibody Fab fragment light chain: BEHK
Voltage-gated potassium channel: CFIL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

D
A

G
A

J
A

B
B

E
B

H
B

K
B

C
C

F
C

I
C

L
C

Membrane

We predict this structure to be a membrane protein.
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antibody Fab fragment heavy chain

antibody Fab fragment light chain

Voltage-gated potassium channel

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